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 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
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package org.apache.james.modules.mailbox;

import java.util.List;

import org.apache.commons.configuration2.HierarchicalConfiguration;
import org.apache.commons.configuration2.tree.ImmutableNode;

import com.github.steveash.guavate.Guavate;
import com.google.common.annotations.VisibleForTesting;

public class ListenersConfiguration {

    public static ListenersConfiguration from(HierarchicalConfiguration<ImmutableNode> configuration) {
        List<HierarchicalConfiguration<ImmutableNode>> listeners = configuration.configurationsAt("listener");

        return new ListenersConfiguration(listeners
            .stream()
            .map(ListenerConfiguration::from)
            .collect(Guavate.toImmutableList()));
    }
    
    private final List<ListenerConfiguration> listenersConfiguration;

    @VisibleForTesting ListenersConfiguration(List<ListenerConfiguration> listenersConfiguration) {
        this.listenersConfiguration = listenersConfiguration;
    }

    public List<ListenerConfiguration> getListenersConfiguration() {
        return listenersConfiguration;
    }
}
